Daylight Saving Time, Definition, History, & Facts

Daylight Saving Time, system for uniformly advancing clocks, so as to extend daylight hours during conventional waking time in the summer months. In countries in the Northern Hemisphere, clocks are usually set ahead one hour in late March or in April and are set back one hour in late September or in October.

Daylight Saving Time and Congress: During WWI, it was passed, then

Daylight Saving Time History & Fun Facts

The Origin of Daylight Saving Time and Why Do We Still Have It?

What is Daylight Saving Time (DST)?

Standard Time Time Zones, Coordinated Universal Time & Daylight

Everything You Didn't Know About Daylight Saving Time

What is the history of daylight saving time?

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What you need to know about the history of daylight saving time : NPR

Daylight saving time, facts and information

Why Do We Have Daylight Saving Time?

A short history of daylight saving time

The Tumultuous History of Daylight Saving Time